SYSTEMS OPERATION - Continued
FIXED FIRE EXTINGUISHER SYSTEM. Mounted to left front of driver's seat, system is a
two-shot system. First shot discharges one carbon dioxide cylinder; second shot discharges
remaining two carbon dioxide cylinders. Discharge tubes permit extinguishing fires in engine
compartment. Charge flows through tubes to discharge delay bottle. At predetermined time,
discharge delay valve opens to allow charge to flow through check valves and out of perforated
tubing on fuel tanks. Exterior control handles on left front of hull permit operation from outside
vehicle. Interior handles are located to right of driver's seat at eye level.